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Pt. I. Arithmetic of ternary quadratic forms. Quadratic forms in n variables -- Introduction to ternary quadratic forms; universal forms -- Representation of binary forms by ternary forms -- Equivalence of indefinite, ternary, quadratic forms -- Genera and representation of numbers -- Quadratic Diophantine equations -- pt. II. Minima of indefinite quadratic forms. Minima of indefinite, binary quadratic forms -- Minima of indefinite, ternary, quadratic forms -- Minima of indefinite, quaternary, quadratic forms -- Tabulation of reduced, integral, ternary, quadratic forms which are indefinite, but not zero forms -- pt. III. Miscellaneous investigations of quadratic forms. Reduced, positive, quadratic forms; their minima -- Universal, zero, quadratic forms -- Number of representations as a sum of 5, 6, 7, or 8 squares.
This book covers topics including the Redei-Reichardt theorem, automorphs of ternary quadratic forms, facts concerning rational matrices leading to integral ternary forms representing zero, characteristics polynomials of symmetric matrices, and Gauss' theory of ternary quadratic forms.
This proceedings volume contains papers presented at the International Conference on the algebraic and arithmetic theory of quadratic forms held in Talca (Chile). The modern theory of quadratic forms has connections with a broad spectrum of mathematical areas including number theory, geometry, and K-theory. This volume contains survey and research articles covering the range of connections among these topics. The survey articles bring readers up-to-date on research and open problems in representation theory of integral quadratic forms, the algebraic theory of finite square class fields, and developments in the theory of Witt groups of triangulated categories. The specialized articles present important developments in both the algebraic and arithmetic theory of quadratic forms, as well as connections to geometry and K-theory. The volume is suitable for graduate students and research mathematicians interested in various aspects of the theory of quadratic forms.